CN214789095U

CN214789095U - Conveniently-adjusted three-eccentric butterfly valve

Info

Publication number: CN214789095U
Application number: CN202121145212.0U
Authority: CN
Inventors: 徐庆华
Original assignee: Jiangsu Tongda Marine Type Valve And Pump Co ltd
Current assignee: Jiangsu Tongda Marine Type Valve And Pump Co ltd
Priority date: 2021-05-26
Filing date: 2021-05-26
Publication date: 2021-11-19
Anticipated expiration: 2031-05-26

Abstract

The utility model discloses a conveniently adjusted three-eccentric butterfly valve, which comprises a valve body and a disc plate, wherein the disc plate is arranged in the valve body, a shell is arranged at the top end of the disc plate, a valve rod penetrates through the center of the bottom end of the shell and is fixedly connected with the disc plate, a handle penetrates through the left end of the shell, a lengthening device is arranged at the top end of the handle, the handle at the left end of the shell only needs to be rotated, then the valve rod is driven to rotate through internal gear rotation, the valve rod drives the disc plate to rotate by ninety degrees, water flow can be opened or closed, the larger the angle is when the handle is opened, the larger the flow velocity of the flowing water flow is, but if the handle is too tight and can be screwed off the fixing seat and the fixing piece in the lengthening device when the handle is rotated, then the handle is pulled outwards, namely the lengthening rod is pulled out of the accommodating rod, and then the lengthening rod can be held on the lengthening rod, the extension bar is equivalent to an extended force arm, so that the rotation is simpler.

Description

Conveniently-adjusted three-eccentric butterfly valve

Technical Field

The utility model belongs to the technical field of the valve is relevant, concretely relates to just, three eccentric butterfly valves of mode.

Background

The valve rod axis deviates from the center of the disc and the center of the body at the same time, and the valve seat rotation axis has a certain angle with the valve body channel axis, so called as a three-eccentric butterfly valve, in the design process, especially considering the application problem in the control field, fully utilizing the sealing principle of the three-eccentric butterfly valve, making the butterfly plate not scrape the valve seat when the valve is opened and closed, directly transmitting the torque of the valve rod to the sealing surface through the butterfly plate, that is, almost no friction phenomenon occurs between the butterfly plate and the valve seat, thereby eliminating the common jumping phenomenon when opening the common valve, eradicating the control failure phenomenon caused by various unstable factors such as friction in the low opening range of the valve, namely eradicating the dead zone (dead zone), which means that the valve rod can almost enter the controllable area from 0 opening to 90 openings, and the normal control ratio is more than 2 times of the common butterfly valve, The highest regulation ratio can be up to more than 100: 1.

The existing triple eccentric butterfly valve technology has the following problems: the existing conveniently-adjusted three-eccentric butterfly valve is mainly used for controlling water flow, the whole conveniently-adjusted three-eccentric butterfly valve is mainly realized through an internal disc plate, the internal disc plate can play a role in controlling water flow, but when the butterfly valve is used, the butterfly valve needs to be rotated through an upper handle, when the butterfly valve is rotated, if the butterfly valve is too tight, the butterfly valve can be rotated, and therefore greater force can be wasted when the butterfly valve is rotated, and the butterfly valve can also be rotated after force is possibly wasted.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a just, three eccentric butterfly valves of mode to the dish board through inside that proposes in solving above-mentioned background art can play the effect of control rivers, but when using, need rotate through the above-mentioned handle, when the pivoted, if too tight, the condition emergence of changeing motionless will appear, will waste the problem that still can not rotate after probably wasting strength when carrying out the pivoted like this.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a just, three eccentric butterfly valves of mode, includes valve body and dish board, the internally mounted of valve body has the dish board, the top of dish board is provided with the shell, the bottom center of shell runs through there are valve rod and dish board fixed connection, the left end of shell runs through there is the handle, the top of handle is provided with extension fixture, extension fixture is including accomodating pole, fixing base, extension bar and mounting, accomodate the inside of pole setting at the handle, the upper end of accomodating the pole runs through there is the extension bar, the top of extension bar is provided with the mounting, the fixing base sets up the top at the handle.

Preferably, the inside of the front end and the back end of the valve body are provided with mounting holes, and the outer wall of the valve body is coated with blue metal paint.

Preferably, a sealing ring is arranged on the disc plate, and the cross section of the disc plate is circular.

Preferably, the outer walls of the valve rods are polished, and the valve rods are made of stainless steel.

Preferably, a rotating gear is arranged in the shell, and the shell is fixedly connected with the valve body through a bolt.

Preferably, the extension device can be stored and fixed when not in use, and the extension device is equivalent to increasing the moment arm and reducing the force after being pulled out.

Compared with the prior art, the utility model provides a just, three eccentric butterfly valves of mode possesses following beneficial effect:

1. the utility model adds the lengthening device on the conveniently-adjusted triple eccentric butterfly valve for controlling water flow, and the newly-added lengthening device is stored in the butterfly valve when not in use, so that the use of the whole butterfly valve is not influenced when not in use, when the butterfly valve is needed to be used, namely when the butterfly valve is in a condition of rotation, the lengthening device can be pulled out, so that the force rod is lengthened, and therefore, according to the principle of force and the force arm when in rotation, the butterfly valve can save more labor when in rotation, so that the butterfly valve can be better rotated when being too tight, and therefore, the force is very saved;

2. the specific application method of the lengthening device of the utility model is that the whole conveniently-adjusted three-eccentric butterfly valve is carried to the place to be used, then the place to be used is checked, so that the accident can be prevented when the lengthening device is used, then the front end and the rear end of the valve body are fixedly connected with the pipeline, then when the lengthening device is used, if the water flow needs to be cut off, only the handle at the left end of the shell needs to be rotated, then the valve rod is driven to rotate through the internal gear rotation, then the valve rod drives the disc plate to rotate for ninety degrees, the water flow can be opened or closed, the larger the angle is when the lengthening device is opened, the larger the flow velocity of the flowing water flow is, but if the handle is rotated, the fixing seat and the fixing piece in the lengthening device can be unscrewed when the handle is too tight, then the lengthening device is pulled outwards, namely the lengthening rod is pulled out from the containing rod, the palm can be held on the extension bar, and the extension bar is equivalent to an extended force arm, so that the rotation is simpler.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description, do not constitute a limitation of the invention, in which:

fig. 1 is a schematic view of a front plan view of a conveniently adjustable triple offset butterfly valve of the present invention;

FIG. 2 is a schematic view of a planar structure of a conveniently adjustable triple offset butterfly valve handle;

FIG. 3 is a schematic view of a sectional drawing structure of a conveniently adjustable triple offset butterfly valve according to the present invention;

fig. 4 is a schematic view of a locally enlarged structure of a conveniently-adjusted triple offset butterfly valve provided by the present invention;

in the figure: 1. a valve body; 2. a plate; 3. a valve stem; 4. a housing; 5. a grip; 6. a lengthening device; 7. a storage rod; 8. a fixed seat; 9. lengthening a rod; 10. and a fixing member.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example one

Referring to fig. 1, fig. 2, fig. 3 and fig. 4, the present invention provides a technical solution: a conveniently adjusted three-eccentric butterfly valve comprises a valve body 1 and a disc plate 2, wherein mounting holes are formed in the front end and the rear end of the valve body 1, so that the butterfly valve is more convenient and fast to install, blue metal paint is coated on the outer wall of the valve body 1, the disc plate 2 is installed in the valve body 1, a sealing ring is arranged on the disc plate 2, so that water cannot leak when the butterfly valve is sealed, the cross section of the disc plate 2 is circular, a shell 4 is arranged at the top end of the disc plate 2, a rotating gear is arranged in the shell 4, so that the butterfly valve is convenient and fast to rotate, the shell 4 is fixedly connected with the valve body 1 through bolts, a valve rod 3 penetrates through the center of the bottom end of the shell 4, the valve rod 3 is fixedly connected with the disc plate 2, the outer wall of the valve rod 3 is polished, the whole valve rod 3 is made of stainless steel metal, so that the butterfly valve cannot rust when the butterfly valve is used, a handle 5 penetrates through the left end of the shell 4, the top end of the handle 5 is provided with a lengthening device 6.

Example two

Referring to fig. 1, fig. 2, fig. 3 and fig. 4, the present invention provides a technical solution: the utility model provides a just, three eccentric butterfly valves of mode of adjusting, extension bar 6 is including accomodating pole 7, fixing base 8, extension bar 9 and mounting 10, extension bar 6 can accomodate fixedly when not using, just can not obstruct like this when not using, accomodate like this and whether saving space will be, extension bar 6 is equivalent to the increase arm of force and reduces hard after pulling out, saving strength that will compare like this when the pivoted is strong, will be simpler when the pivoted, accomodate the inside of pole 7 setting at handle 5, accomodate the upper end of pole 7 and run through extension bar 9, the top of extension bar 9 is provided with mounting 10, fixing base 8 sets up the top at handle 5.

The utility model discloses a theory of operation and use flow: after the utility model is installed, when the conveniently-adjusted three-eccentric butterfly valve for adjusting water flow is used, the whole conveniently-adjusted three-eccentric butterfly valve is firstly carried to a place to be used, then the place to be used is checked whether the whole conveniently-adjusted three-eccentric butterfly valve is damaged or not, thus accidents can be prevented when the butterfly valve is used, then the front end and the rear end of the valve body 1 are fixedly connected with a pipeline, then when the butterfly valve is used, if water flow needs to be cut off, only the handle 5 at the left end of the shell 4 needs to be rotated, then the valve rod 3 is driven to rotate through the internal gear rotation, then the disk plate 2 is driven by the valve rod 3 to rotate ninety degrees, water flow can be opened or closed, the larger the angle is when the water flow is opened, the larger the flowing water flow velocity is, but if the handle 5 is rotated too tightly, the fixing seat 8 and the fixing part 10 in the lengthening device 6 can be unscrewed, then outwards pull open, that is to say pull out extension bar 9 from accomodating pole 7, then the palm just can be held on extension bar 9, extension bar 9 is equivalent to the arm of force that extends this moment, and will be simpler when the rotation like this.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a just, three eccentric butterfly valves of mode, includes valve body (1) and dish board (2), its characterized in that: the internally mounted of valve body (1) has dish board (2), the top of dish board (2) is provided with shell (4), the bottom center of shell (4) runs through valve rod (3) and dish board (2) fixed connection, the left end of shell (4) runs through handle (5), the top of handle (5) is provided with extension fixture (6), extension fixture (6) are including accomodating pole (7), fixing base (8), extension bar (9) and mounting (10), accomodate pole (7) and set up the inside at handle (5), the upper end of accomodating pole (7) runs through extension bar (9), the top of extension bar (9) is provided with mounting (10), fixing base (8) set up the top at handle (5).

2. The adjustable triple offset butterfly valve of claim 1, wherein: the inside of the front end and the back end of the valve body (1) is provided with mounting holes, and blue metal paint is coated on the outer wall of the valve body (1).

3. The adjustable triple offset butterfly valve of claim 1, wherein: the sealing ring is arranged on the disc plate (2), and the cross section of the disc plate (2) is circular.

4. The adjustable triple offset butterfly valve of claim 1, wherein: the outer wall of the valve rod (3) is polished, and the whole valve rod (3) is made of stainless steel metal.

5. The adjustable triple offset butterfly valve of claim 1, wherein: the valve is characterized in that a rotating gear is arranged inside the shell (4), and the shell (4) is fixedly connected with the valve body (1) through a bolt.

6. The adjustable triple offset butterfly valve of claim 1, wherein: the lengthening device (6) can be stored and fixed when not used, and the lengthening device (6) is equivalent to increasing the moment arm after being pulled out, so that the force is reduced.